/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.solr.util.hll;
/**
* A <code>long</code>-based iterator. This is not <i>is-a</i> {@link java.util.Iterator}
* to prevent autoboxing between <code>Long</code> and <code>long</code>.
*/
interface LongIterator {
/**
* @return <code>true</code> if and only if there are more elements to
* iterate over. <code>false</code> otherwise.
*/
boolean hasNext();
/**
* @return the next <code>long</code> in the collection.
*/
long next();
}